The formula calculating work output is F*D/T, where F is the force exerted, D is the distance and T is the time. The work output of a system is also described as its Power.Continue Reading
In order for work to be done, force has to be applied in the direction of the motion. Using this, work is calculated as Force * Distance. For example, if a man pushes an object with a force of 200N across a distance of 3M, the work done is 200 N * 3 M = 600 Nm or 600 J.
The work output or Power refers to the rate at which work is done. Power is measured in watts. Power is also sometimes measured in horsepower, where one horsepower is equal to 750 watts. Work output can be calculated using the formula Work done/time. For instance, if an electric motor raises a 1000kg beam, 4 meters in 10 seconds, where g is equal to 9.8,m/s, then the power is calculated as:
Work done/time = Force*distance/time = (1000*9.8)*4 /10 = 3920 watts. The higher the power of a machine, the more quickly it will be able to achieve a specific task. For instance, in the example above, a machine with a power rating of 8000 watts or higher would be able to lift the beam across the same distance in half the time.Learn more about Motion & Mechanics
The constant speed formula is defined as the ratio of constant distance traveled divided by the amount of time taken to travel the respective distance. In other words, speed = distance/time.Full Answer >
The formula for speed is s = d/t, where s equals the speed, d is the distance covered and t is the time it took to cover the distance. The formula for finding the instantaneous speed at a specific point is found by taking the derivative of the speed equation.Full Answer >
The general formula for finding speed is x = d / t, where "x" denotes the speed, "d" indicates the distance traveled and "t" represents the time it takes to cover "d." Speed is a scalar quantity that is entirely defined by its magnitude without referencing its direction.Full Answer >
The work output of a machine divided by the work input is the efficiency of the machine. Efficiency is typically stated as a percentage and is calculated by dividing work output by input and then multiplying by 100.Full Answer >